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    • 3. 发明申请
    • Vessel Sealing System Using Capacitive RF Dielectric Heating
    • 使用电容RF介质加热的容器密封系统
    • US20100312235A1
    • 2010-12-09
    • US12846602
    • 2010-07-29
    • Timothy J. Bahney
    • Timothy J. Bahney
    • A61B18/18
    • A61B18/1442A61B18/1445A61B2017/2945A61B2018/00136A61B2018/00345A61B2018/00404A61B2018/00619A61B2018/1432A61B2018/147
    • An electrosurgical system for sealing vessels using capacitive (RF) dielectric heating and a method thereof are provided. The system includes an electrosurgical instrument having an end effector with parallel plate electrodes that will clamp onto a vessel and maintain a specified gap distance; however, the electrodes will be coated with a non-conductive dielectric material. Such an end effector will ensure that direct conduction between the electrodes does not occur through tissue or fluids and effectively creates a parallel plate capacitor with a dielectric, e.g., tissue and coating, in between the plates. The electrosurgical instrument will be activated with an AC signal at a specified RF frequency, e.g., a Debye resonance frequency, via an electrosurgical generator. An effective AC current will flow through the tissue and cause heating due to fictional losses from rotating polar molecules in the tissue.
    • 提供了一种使用电容(RF)电介质加热的密封容器的电外科系统及其方法。 该系统包括具有末端执行器的电外科器械,其具有平行的平板电极,其将夹持在容器上并保持指定的间隙距离; 然而,电极将被非导电介电材料涂覆。 这样的末端执行器将确保电极之间的直接传导不会通过组织或流体发生,并有效地产生平板平板电容器,其中电介质例如是组织和涂层。 电外科器械将通过电外科发生器以指定RF频率(例如德拜共振频率)的AC信号激活。 有效的交流电流将流经组织,由于组织中旋转极性分子的虚构损失而引起加热。
    • 6. 发明授权
    • Vessel sealing system using capacitive RF dielectric heating
    • 容器密封系统采用电容式RF介质加热
    • US07780662B2
    • 2010-08-24
    • US11063684
    • 2005-02-23
    • Timothy J. Bahney
    • Timothy J. Bahney
    • A61B18/14
    • A61B18/1442A61B18/1445A61B2017/2945A61B2018/00136A61B2018/00345A61B2018/00404A61B2018/00619A61B2018/1432A61B2018/147
    • An electrosurgical system for sealing vessels using capacitive (RF) dielectric heating and a method thereof are provided. The system includes an electrosurgical instrument having an end effector with parallel plate electrodes that will clamp onto a vessel and maintain a specified gap distance; however, the electrodes will be coated with a non-conductive dielectric material. Such an end effector will ensure that direct conduction between the electrodes does not occur through tissue or fluids and effectively creates a parallel plate capacitor with a dielectric, e.g., tissue and coating, in between the plates. The electrosurgical instrument will be activated with an AC signal at a specified RF frequency, e.g., a Debye resonance frequency, via an electrosurgical generator. An effective AC current will flow through the tissue and cause heating due to fictional losses from rotating polar molecules in the tissue.
    • 提供了一种使用电容(RF)电介质加热的密封容器的电外科系统及其方法。 该系统包括具有末端执行器的电外科器械,其具有平行的平板电极,其将夹持在容器上并保持指定的间隙距离; 然而,电极将被非导电介电材料涂覆。 这样的末端执行器将确保电极之间的直接传导不会通过组织或流体发生,并有效地产生平板平板电容器,其中电介质例如是组织和涂层。 电外科器械将通过电外科发生器以指定RF频率(例如德拜共振频率)的AC信号激活。 有效的交流电流将流经组织,由于组织中旋转极性分子的虚构损失而引起加热。
    • 9. 发明授权
    • Vessel sealing system using capacitive RF dielectric heating
    • 容器密封系统采用电容式RF介质加热
    • US08348948B2
    • 2013-01-08
    • US12846602
    • 2010-07-29
    • Timothy J. Bahney
    • Timothy J. Bahney
    • A61B18/14
    • A61B18/1442A61B18/1445A61B2017/2945A61B2018/00136A61B2018/00345A61B2018/00404A61B2018/00619A61B2018/1432A61B2018/147
    • An electrosurgical system for sealing vessels using capacitive (RF) dielectric heating and a method thereof are provided. The system includes an electrosurgical instrument having an end effector with parallel plate electrodes that will clamp onto a vessel and maintain a specified gap distance; however, the electrodes will be coated with a non-conductive dielectric material. Such an end effector will ensure that direct conduction between the electrodes does not occur through tissue or fluids and effectively creates a parallel plate capacitor with a dielectric, e.g., tissue and coating, in between the plates. The electrosurgical instrument will be activated with an AC signal at a specified RF frequency, e.g., a Debye resonance frequency, via an electrosurgical generator. An effective AC current will flow through the tissue and cause heating due to fictional losses from rotating polar molecules in the tissue.
    • 提供了一种使用电容(RF)电介质加热的密封容器的电外科系统及其方法。 该系统包括具有末端执行器的电外科器械,其具有平行的平板电极,其将夹持在容器上并保持指定的间隙距离; 然而,电极将被非导电介电材料涂覆。 这样的末端执行器将确保电极之间的直接传导不会通过组织或流体发生,并有效地产生平板平板电容器,其中电介质例如是组织和涂层。 电外科器械将通过电外科发生器以指定RF频率(例如德拜共振频率)的AC信号激活。 有效的交流电流将流经组织,由于组织中旋转极性分子的虚构损失而引起加热。